<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            position: relative;
        }
        .outer-circle {
            height: 200px;
            width: 400px;
            border-top-left-radius: 200px;
            border-top-right-radius: 200px;
            box-sizing: border-box;
            border: 1px solid red;
            position: absolute;
            overflow: hidden;
        }

        .outer-circle:hover .progress {
            transform: rotate(120deg);
        }

        .inner-circle {
            height: 180px;
            width: 360px;
            border-top-left-radius: 180px;
            border-top-right-radius: 180px;
            box-sizing: border-box;
            border: 1px solid red;
            position: absolute;
            top: 19px;
            left: 19px;
            background: white;
            border-bottom: 1px solid white;
        }
        .progress {
            width: 400px;
            height: 200px;
            background: brown;
            position: absolute;
            left: -1px;
            top: 199px;
            transform-origin: top center;
            transition: transform .5s linear;
            z-index: -1;
        }
    </style>
</head>
<body>
    <div class="outer-circle">
        <div class="inner-circle"></div>
        <div class="progress"></div>
    </div>
    
</body>
</html>